After the Catastrophe, every rule in the world was rewritten. In the Age of Black Iron, steel, iron, steam engines and fighting force became the crux in which human beings depended on to survive. A commoner boy by the name Zhang Tie was selected by the gods of fortune and was gifted a small tree which could constantly produce various marvelous fruits. At the same time, Zhang Tie was thrown into the flames of war, a three-hundred-year war between humans and demons on the vacant continent. Using crystals to tap into the potentials of the human body, one must cultivate to become stronger. The thrilling legends of mysterious clans, secrets of Oriental fantasies, numerous treasures and legacies in the underground world — All in the Castle of Black Iron! Written by Drunk Tiger, this novel is a prime example of fantasy steampunk. Let us journey through the world of limitless possibilities and inventions together! ------ **Warning: This novel contains mature content**
In the natural world, the more powerful the individuals were, the fewer their population would be. Soul leave was an extremely rare poison. Even knights could barely survive this poison. However, soul leave's duration of effect was limited. After being poisoned by it, one's awareness couldn't be completely isolated from his body forever.
Soul leave denoted that one's soul would leave his body out of control. After his soul returned to his body, he would feel like having a dream.
After soul leave completely lost its effect, Zhang Tie gradually opened his eyes.
He was in a room, which appeared being in a mountain cave covering 600 square meters. The mountain cave was artificially built as everything in the room was well carved. It was covered with huge granites in all directions. Besides, there was an eternal fluorite lamp on the roof, the dim light gave out which made the mountain cave hazy.